# coding:UTF-8
import sys
from math import factorial

MOD = 10 ** 9 + 7
INF = float('inf')

a = int(input())    # 数字

for i in range(8):
    M = 2000 - 200 * i
    m = 1800 - 200 * i
    if m <= a < M:
        print(i + 1) import sys sys from math import factorial MOD = 10 ** 9 + 7 MOD 10 ** 9 + 7 10 ** 9 10 9 7 INF = float('inf') INF float('inf') float 'inf' a = int(input()) a int(input()) int input() input for i in range(8):
    M = 2000 - 200 * i
    m = 1800 - 200 * i
    if m <= a < M:
        print(i + 1) i range(8) range 8 M = 2000 - 200 * i M 2000 - 200 * i 2000 200 * i 200 i m = 1800 - 200 * i m 1800 - 200 * i 1800 200 * i 200 i if m <= a < M:
        print(i + 1) m <= a < M m <= a m a M print(i + 1) print i + 1 i 1 M = 2000 - 200 * i 2000 - 200 * i M MOD = 10 ** 9 + 7 10 ** 9 + 7 MOD INF = float('inf') float('inf') INF a = int(input()) int(input()) a m = 1800 - 200 * i 1800 - 200 * i m
# coding:UTF-8
import sys
from math import factorial

MOD = 10 ** 9 + 7
INF = float('inf')

a = int(input())    # 数字

for i in range(8):
    M = 2000 - 200 * i
    m = 1800 - 200 * i
    if m <= a < M:
        print(i + 1)
